#else
#pragma message "Jansson dev libs unavailable, not including JSON parsing"
#endif
+#include <rte_string_fns.h>
#include <rte_log.h>
#include <rte_memory.h>
#include <rte_malloc.h>
static int global_event_fd;
static unsigned int policy_is_set;
static struct epoll_event *global_events_list;
-static struct policy policies[MAX_CLIENTS];
+static struct policy policies[RTE_MAX_LCORE];
#ifdef USE_JANSSON
union PFID {
- struct ether_addr addr;
+ struct rte_ether_addr addr;
uint64_t pfid;
};
static int
-str_to_ether_addr(const char *a, struct ether_addr *ether_addr)
+str_to_ether_addr(const char *a, struct rte_ether_addr *ether_addr)
{
int i;
char *end;
- unsigned long o[ETHER_ADDR_LEN];
+ unsigned long o[RTE_ETHER_ADDR_LEN];
i = 0;
do {
return -1;
/* Support the format XX:XX:XX:XX:XX:XX */
- if (i == ETHER_ADDR_LEN) {
+ if (i == RTE_ETHER_ADDR_LEN) {
while (i-- != 0) {
if (o[i] > UINT8_MAX)
return -1;
ether_addr->addr_bytes[i] = (uint8_t)o[i];
}
/* Support the format XXXX:XXXX:XXXX */
- } else if (i == ETHER_ADDR_LEN / 2) {
+ } else if (i == RTE_ETHER_ADDR_LEN / 2) {
while (i-- != 0) {
if (o[i] > UINT16_MAX)
return -1;
return 0;
}
+static char*
+get_resource_name_from_chn_path(const char *channel_path)
+{
+ char *substr = NULL;
+
+ substr = strstr(channel_path, CHANNEL_MGR_FIFO_PATTERN_NAME);
+
+ return substr;
+}
+
+static int
+get_resource_id_from_vmname(const char *vm_name)
+{
+ int result = -1;
+ int off = 0;
+
+ if (vm_name == NULL)
+ return -1;
+
+ while (vm_name[off] != '\0') {
+ if (isdigit(vm_name[off]))
+ break;
+ off++;
+ }
+ result = atoi(&vm_name[off]);
+ if ((result == 0) && (vm_name[off] != '0'))
+ return -1;
+
+ return result;
+}
static int
-parse_json_to_pkt(json_t *element, struct channel_packet *pkt)
+parse_json_to_pkt(json_t *element, struct channel_packet *pkt,
+ const char *vm_name)
{
const char *key;
json_t *value;
int ret;
+ int resource_id;
memset(pkt, 0, sizeof(struct channel_packet));
pkt->command = PKT_POLICY;
pkt->core_type = CORE_TYPE_PHYSICAL;
+ if (vm_name == NULL) {
+ RTE_LOG(ERR, CHANNEL_MONITOR,
+ "vm_name is NULL, request rejected !\n");
+ return -1;
+ }
+
json_object_foreach(element, key, value) {
if (!strcmp(key, "policy")) {
/* Recurse in to get the contents of profile */
- ret = parse_json_to_pkt(value, pkt);
+ ret = parse_json_to_pkt(value, pkt, vm_name);
if (ret)
return ret;
} else if (!strcmp(key, "instruction")) {
/* Recurse in to get the contents of instruction */
- ret = parse_json_to_pkt(value, pkt);
+ ret = parse_json_to_pkt(value, pkt, vm_name);
if (ret)
return ret;
- } else if (!strcmp(key, "name")) {
- strcpy(pkt->vm_name, json_string_value(value));
} else if (!strcmp(key, "command")) {
char command[32];
- snprintf(command, 32, "%s", json_string_value(value));
+ strlcpy(command, json_string_value(value), 32);
if (!strcmp(command, "power")) {
pkt->command = CPU_POWER;
} else if (!strcmp(command, "create")) {
}
} else if (!strcmp(key, "policy_type")) {
char command[32];
- snprintf(command, 32, "%s", json_string_value(value));
+ strlcpy(command, json_string_value(value), 32);
if (!strcmp(command, "TIME")) {
pkt->policy_to_use = TIME;
} else if (!strcmp(command, "TRAFFIC")) {
}
} else if (!strcmp(key, "workload")) {
char command[32];
- snprintf(command, 32, "%s", json_string_value(value));
+ strlcpy(command, json_string_value(value), 32);
if (!strcmp(command, "HIGH")) {
pkt->workload = HIGH;
} else if (!strcmp(command, "MEDIUM")) {
json_array_get(value, i));
pkt->timer_policy.quiet_hours[i] = hour;
}
- } else if (!strcmp(key, "core_list")) {
- unsigned int i;
- size_t size = json_array_size(value);
-
- for (i = 0; i < size; i++) {
- int core = (int)json_integer_value(
- json_array_get(value, i));
- pkt->vcpu_to_control[i] = core;
- }
- pkt->num_vcpu = size;
} else if (!strcmp(key, "mac_list")) {
unsigned int i;
size_t size = json_array_size(value);
for (i = 0; i < size; i++) {
char mac[32];
- snprintf(mac, 32, "%s", json_string_value(
- json_array_get(value, i)));
+ strlcpy(mac,
+ json_string_value(json_array_get(value, i)),
+ 32);
set_policy_mac(pkt, i, mac);
}
pkt->nb_mac_to_monitor = size;
(uint32_t)json_integer_value(value);
} else if (!strcmp(key, "unit")) {
char unit[32];
- snprintf(unit, 32, "%s", json_string_value(value));
+ strlcpy(unit, json_string_value(value), 32);
if (!strcmp(unit, "SCALE_UP")) {
pkt->unit = CPU_POWER_SCALE_UP;
} else if (!strcmp(unit, "SCALE_DOWN")) {
"Invalid command received in JSON\n");
return -1;
}
- } else if (!strcmp(key, "resource_id")) {
- pkt->resource_id = (uint32_t)json_integer_value(value);
} else {
RTE_LOG(ERR, CHANNEL_MONITOR,
"Unknown key received in JSON string: %s\n",
key);
}
+
+ resource_id = get_resource_id_from_vmname(vm_name);
+ if (resource_id < 0) {
+ RTE_LOG(ERR, CHANNEL_MONITOR,
+ "Could not get resource_id from vm_name:%s\n",
+ vm_name);
+ return -1;
+ }
+ strlcpy(pkt->vm_name, vm_name, VM_MAX_NAME_SZ);
+ pkt->resource_id = resource_id;
}
return 0;
}
/* Convert vcpu to pcpu. */
struct vm_info info;
int pcpu, count;
- uint64_t mask_u64b;
struct core_info *ci;
ci = get_core_info();
- RTE_LOG(INFO, CHANNEL_MONITOR,
+ RTE_LOG(DEBUG, CHANNEL_MONITOR,
"Looking for pcpu for %s\n", pol->pkt.vm_name);
/*
*/
get_info_vm(pol->pkt.vm_name, &info);
for (count = 0; count < pol->pkt.num_vcpu; count++) {
- mask_u64b =
- info.pcpu_mask[pol->pkt.vcpu_to_control[count]];
- for (pcpu = 0; mask_u64b;
- mask_u64b &= ~(1ULL << pcpu++)) {
- if ((mask_u64b >> pcpu) & 1)
- pcpu_monitor(pol, ci, pcpu, count);
- }
+ pcpu = info.pcpu_map[pol->pkt.vcpu_to_control[count]];
+ pcpu_monitor(pol, ci, pcpu, count);
}
} else {
/*
RTE_ETH_FOREACH_DEV(x) {
ret = rte_pmd_i40e_query_vfid_by_mac(x,
- (struct ether_addr *)&(pol->pkt.vfid[i]));
+ (struct rte_ether_addr *)&(pol->pkt.vfid[i]));
if (ret != -EINVAL) {
pol->port[i] = x;
break;
{
unsigned int updated = 0;
- int i;
+ unsigned int i;
RTE_LOG(INFO, CHANNEL_MONITOR,
"Applying policy for %s\n", pkt->vm_name);
- for (i = 0; i < MAX_CLIENTS; i++) {
+ for (i = 0; i < RTE_DIM(policies); i++) {
if (strcmp(policies[i].pkt.vm_name, pkt->vm_name) == 0) {
/* Copy the contents of *pkt into the policy.pkt */
policies[i].pkt = *pkt;
get_pcpu_to_control(&policies[i]);
- if (get_pfid(&policies[i]) == -1) {
- updated = 1;
- break;
+ /* Check Eth dev only for Traffic policy */
+ if (policies[i].pkt.policy_to_use == TRAFFIC) {
+ if (get_pfid(&policies[i]) < 0) {
+ updated = 1;
+ break;
+ }
}
core_share_status(i);
policies[i].enabled = 1;
}
}
if (!updated) {
- for (i = 0; i < MAX_CLIENTS; i++) {
+ for (i = 0; i < RTE_DIM(policies); i++) {
if (policies[i].enabled == 0) {
policies[i].pkt = *pkt;
get_pcpu_to_control(&policies[i]);
- if (get_pfid(&policies[i]) == -1)
- break;
+ /* Check Eth dev only for Traffic policy */
+ if (policies[i].pkt.policy_to_use == TRAFFIC) {
+ if (get_pfid(&policies[i]) < 0) {
+ updated = 1;
+ break;
+ }
+ }
core_share_status(i);
policies[i].enabled = 1;
break;
static int
remove_policy(struct channel_packet *pkt __rte_unused)
{
- int i;
+ unsigned int i;
/*
* Disabling the policy is simply a case of setting
* enabled to 0
*/
- for (i = 0; i < MAX_CLIENTS; i++) {
+ for (i = 0; i < RTE_DIM(policies); i++) {
if (strcmp(policies[i].pkt.vm_name, pkt->vm_name) == 0) {
policies[i].enabled = 0;
return 0;
diff = get_pkt_diff(pol);
- RTE_LOG(INFO, CHANNEL_MONITOR, "Applying traffic profile\n");
-
if (diff >= (pol->pkt.traffic_policy.max_max_packet_thresh)) {
for (count = 0; count < pol->pkt.num_vcpu; count++) {
if (pol->core_share[count].status != 1)
if (pol->core_share[count].status != 1) {
power_manager_scale_core_max(
pol->core_share[count].pcpu);
- RTE_LOG(INFO, CHANNEL_MONITOR,
- "Scaling up core %d to max\n",
- pol->core_share[count].pcpu);
}
}
break;
if (pol->core_share[count].status != 1) {
power_manager_scale_core_min(
pol->core_share[count].pcpu);
- RTE_LOG(INFO, CHANNEL_MONITOR,
- "Scaling down core %d to min\n",
- pol->core_share[count].pcpu);
}
}
break;
static int
process_request(struct channel_packet *pkt, struct channel_info *chan_info)
{
- uint64_t core_mask;
+ int ret;
if (chan_info == NULL)
return -1;
- RTE_LOG(INFO, CHANNEL_MONITOR, "Processing Request %s\n", pkt->vm_name);
-
if (rte_atomic32_cmpset(&(chan_info->status), CHANNEL_MGR_CHANNEL_CONNECTED,
CHANNEL_MGR_CHANNEL_PROCESSING) == 0)
return -1;
if (pkt->command == CPU_POWER) {
- core_mask = get_pcpus_mask(chan_info, pkt->resource_id);
- if (core_mask == 0) {
- /*
- * Core mask will be 0 in the case where
- * hypervisor is not available so we're working in
- * the host, so use the core as the mask.
- */
- core_mask = 1ULL << pkt->resource_id;
- }
- if (__builtin_popcountll(core_mask) == 1) {
+ unsigned int core_num;
- unsigned core_num = __builtin_ffsll(core_mask) - 1;
+ if (pkt->core_type == CORE_TYPE_VIRTUAL)
+ core_num = get_pcpu(chan_info, pkt->resource_id);
+ else
+ core_num = pkt->resource_id;
- switch (pkt->unit) {
- case(CPU_POWER_SCALE_MIN):
- power_manager_scale_core_min(core_num);
- break;
- case(CPU_POWER_SCALE_MAX):
- power_manager_scale_core_max(core_num);
- break;
- case(CPU_POWER_SCALE_DOWN):
- power_manager_scale_core_down(core_num);
- break;
- case(CPU_POWER_SCALE_UP):
- power_manager_scale_core_up(core_num);
- break;
- case(CPU_POWER_ENABLE_TURBO):
- power_manager_enable_turbo_core(core_num);
- break;
- case(CPU_POWER_DISABLE_TURBO):
- power_manager_disable_turbo_core(core_num);
+ RTE_LOG(DEBUG, CHANNEL_MONITOR, "Processing requested cmd for cpu:%d\n",
+ core_num);
+
+ switch (pkt->unit) {
+ case(CPU_POWER_SCALE_MIN):
+ power_manager_scale_core_min(core_num);
break;
- default:
- break;
- }
- } else {
- switch (pkt->unit) {
- case(CPU_POWER_SCALE_MIN):
- power_manager_scale_mask_min(core_mask);
+ case(CPU_POWER_SCALE_MAX):
+ power_manager_scale_core_max(core_num);
break;
- case(CPU_POWER_SCALE_MAX):
- power_manager_scale_mask_max(core_mask);
+ case(CPU_POWER_SCALE_DOWN):
+ power_manager_scale_core_down(core_num);
break;
- case(CPU_POWER_SCALE_DOWN):
- power_manager_scale_mask_down(core_mask);
+ case(CPU_POWER_SCALE_UP):
+ power_manager_scale_core_up(core_num);
break;
- case(CPU_POWER_SCALE_UP):
- power_manager_scale_mask_up(core_mask);
+ case(CPU_POWER_ENABLE_TURBO):
+ power_manager_enable_turbo_core(core_num);
break;
- case(CPU_POWER_ENABLE_TURBO):
- power_manager_enable_turbo_mask(core_mask);
+ case(CPU_POWER_DISABLE_TURBO):
+ power_manager_disable_turbo_core(core_num);
break;
- case(CPU_POWER_DISABLE_TURBO):
- power_manager_disable_turbo_mask(core_mask);
+ default:
break;
- default:
- break;
- }
-
}
}
if (pkt->command == PKT_POLICY) {
- RTE_LOG(INFO, CHANNEL_MONITOR,
- "\nProcessing Policy request\n");
+ RTE_LOG(INFO, CHANNEL_MONITOR, "Processing policy request %s\n",
+ pkt->vm_name);
update_policy(pkt);
policy_is_set = 1;
}
if (pkt->command == PKT_POLICY_REMOVE) {
- RTE_LOG(INFO, CHANNEL_MONITOR,
- "Removing policy %s\n", pkt->vm_name);
- remove_policy(pkt);
+ ret = remove_policy(pkt);
+ if (ret == 0)
+ RTE_LOG(INFO, CHANNEL_MONITOR,
+ "Removed policy %s\n", pkt->vm_name);
+ else
+ RTE_LOG(INFO, CHANNEL_MONITOR,
+ "Policy %s does not exist\n", pkt->vm_name);
}
/*
buffer, buffer_len);
if (n_bytes == buffer_len)
break;
- if (n_bytes == -1) {
+ if (n_bytes < 0) {
err = errno;
RTE_LOG(DEBUG, CHANNEL_MONITOR,
"Received error on "
int n_bytes, ret;
json_t *root;
json_error_t error;
+ const char *resource_name;
+
/* read opening brace to closing brace */
do {
indent--;
if ((indent > 0) || (idx > 0))
idx++;
- if (indent == 0)
+ if (indent <= 0)
json_data[idx] = 0;
if (idx >= MAX_JSON_STRING_LEN-1)
break;
} while (indent > 0);
- if (indent > 0)
- /*
- * We've broken out of the read loop without getting
- * a closing brace, so throw away the data
- */
- json_data[idx] = 0;
+ json_data[idx] = '\0';
if (strlen(json_data) == 0)
continue;
root = json_loads(json_data, 0, &error);
if (root) {
+ resource_name = get_resource_name_from_chn_path(
+ chan_info->channel_path);
/*
* Because our data is now in the json
* object, we can overwrite the pkt
* with a channel_packet struct, using
* parse_json_to_pkt()
*/
- ret = parse_json_to_pkt(root, &pkt);
+ ret = parse_json_to_pkt(root, &pkt, resource_name);
json_decref(root);
if (ret) {
RTE_LOG(ERR, CHANNEL_MONITOR,
global_events_list[i].data.ptr;
if ((global_events_list[i].events & EPOLLERR) ||
(global_events_list[i].events & EPOLLHUP)) {
- RTE_LOG(DEBUG, CHANNEL_MONITOR, "Remote closed connection for "
+ RTE_LOG(INFO, CHANNEL_MONITOR,
+ "Remote closed connection for "
"channel '%s'\n",
chan_info->channel_path);
remove_channel(&chan_info);
}
rte_delay_us(time_period_ms*1000);
if (policy_is_set) {
- int j;
+ unsigned int j;
- for (j = 0; j < MAX_CLIENTS; j++) {
+ for (j = 0; j < RTE_DIM(policies); j++) {
if (policies[j].enabled == 1)
apply_policy(&policies[j]);
}